SPI Backcountry Clutch Kit (inc.adj.P-d weights) Ski-Doo 850 Turbo 154-175"2020-

Straightline Performance Backcountry Boondocking clutch kit for Ski-Doo 850/850R Factory Turbo sleds with 154–175 in / approx. 391–445 cm tracks. Calibrated for deep-snow use at 0–3,000 ft / approx. 0–914 m, the adjustable P-Drive weights, matched helix and clutch springs improve track speed, throttle response and backshift as snow load changes. Updated clicker bolts add quick tuning flexibility; manufacturer provides setups for both 165 and 185 hp factory engine versions.

Fitment: Ski-Doo 850/850R Factory Turbo, 154–175 in / approx. 391–445 cm track; 0–3,000 ft / approx. 0–914 m
Package includes: adjustable P-Drive weights, helix, clutch springs and updated clicker bolts
Dimensions: 11 × 9 × 6 in / 27.94 × 22.86 × 15.24 cm.